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Mrs. Jones has a local bakery. Last week this expression shows how many peanut butter cupcakes she baked. 5 (2x -4) + 3(3 + 4x) Part A: What is the simplified form of the expression above? Part B: If x = 6, how many cupcakes did Mrs. Jones bake last week?

Respuesta :

Answer:

A. [tex]22x-11[/tex]

B. [tex]121[/tex] cupcakes

Step-by-step explanation:

Part A:

The simplified form of the expression is

[tex]5(2x-4)+3(3+4x)[/tex]

[tex](10x-20)+(9+12x)[/tex]

[tex](10x+12x)+(9-20)[/tex]

[tex]22x-11[/tex]

Part B:

Put [tex]x=6[/tex] in the above simplified equation to get the number of cupcakes Mrs. Jones bake last week

[tex]22x-11[/tex]

[tex]22(6)-11[/tex]

[tex]132-11[/tex]

[tex]121[/tex] cupcakes